WASHINGTON — Hundreds of Environmental Protection Agency scientists say they have been pressured by superiors to skew their findings, according to a survey released Wednesday by an advocacy group. The Union of Concerned Scientists said more than half of the nearly 1,600 EPA staff scientists who responded online to a detailed questionnaire reported they had experienced incidents of political interference in their work.
But Francesca Grifo, director of the Union of Concerned Scientists' Scientific Integrity Program, said the survey results revealed "an agency in crisis" and "under siege from political pressures" especially among scientists involved in risk assessment and crafting regulations. "The investigation shows researchers are generally continuing to do their work, but their scientific findings are tossed aside when it comes time to write regulations," said Grifo.
The EPA has been under fire from members of Congress on a number of fronts including its delay in determining whether carbon dioxide should be regulated to combat global warming. Johnson also has been criticized for rejecting recommendations from science advisory boards on a number of air pollution issues including control of mercury from power plants and how much to reduce smog pollution.
In the survey, the EPA scientists described an agency suffering from low morale as senior managers and the White House Office of Management and Budget frequently second-guess scientific findings and change work conducted by EPA's scientists, the report said.
The survey covered employees at EPA headquarters, in each of the agency's 10 regions around the country and at more than a dozen research laboratories. The highest number of complaints about political interference came from scientists who are directly involved in writing regulations and those who conduct risk assessments such as determining a chemical cancer risk for humans.
Nearly 400 scientists said they had witnessed EPA officials misrepresenting scientific findings, 284 said they had seen the "selective or incomplete use of data to justify a specific regulatory outcome" and 224 scientists said they had been directed to "inappropriately exclude or alter technical information" in an EPA document. Nearly 200 of the respondents said they had been in situations where they or their colleagues actively objected to or resigned from projects "because of pressure to change scientific findings."
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